Cat.which.sh script
February 26, 2026
Quickly view the source code of any script in your PATH with tab completion
Technical Posts
A collection of technical guides, tutorials, and reference materials focused on Linux system administration, infrastructure management, and DevOps practices. Topics include ZFS storage management, SSH security and automation, Gentoo Linux configuration, container orchestration with Incus, network administration, and shell scripting techniques.
Browse by topic using the tags below each post, or explore the complete archive chronologically.
Kernel-config-search script
February 23, 2026
A simple script to search your running kernel's configuration for specific options
Get serial numbers for NVMe drives
February 20, 2026
Query NVMe drive serial numbers and test disk performance with hdparm
Clearing Disks in Rescue Environment
February 17, 2026
Clean up RAID arrays and wipe disks when starting fresh in a rescue environment
List kernel drivers in use
February 14, 2026
Find all kernel drivers currently in use by your hardware with lspci
ZFS on Hetzner Rescue
February 11, 2026
Install and use ZFS in Hetzner's rescue environment to access your ZFS pools
Getting System Information
February 8, 2026
Quick commands to get CPU count, memory size, and disk information on a Linux server
Using Hetzner Rescue
February 5, 2026
Quick reference for Hetzner's rescue system with common installimage commands and useful utilities
Prevent host from being added to knownhosts
February 2, 2026
bash alias to bypass knownhosts
Save time with tab
January 26, 2026
Leverage tab and bash completion to be more effective on the Linux command line